Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view of another embodiment thereof;

FIG. 5 is a right side elevational view of a further embodiment thereof; and,

FIG. 6 is a right side elevational view of yet another embodiment thereof.

The uneven broken line immediately adjacent to the shaded area represents an unclaimed boundary of the design. The uneven broken line showing of the remainder of the shoe forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 